Jahidul Math Care
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problem-solving skills (JMC)
f(x) = x^2 - 4x + 3 āĻšāϞā§, f(-1) āĻāϰ āĻŽāĻžāύ āĻāϤ?đ
â(āĻ) 0 â(āĻ) 6
â(āĻ) 8 â(āĻ) -2
17/09/2026
đ¯ SSC / āύāĻŦāĻŽ-āĻĻāĻļāĻŽ āĻļā§āϰā§āĻŖāĻŋāϰ āϏāĻžāϧāĻžāϰāĻŖ āĻāĻŖāĻŋāϤ: āϤā§āϰāĻŋāĻā§āĻŖāĻŽāĻŋāϤāĻŋ āϏā§āĻĒā§āĻļāĻžāϞ āĻŽāĻĄā§āϞ āĻā§āϏā§āĻ-ā§Ļā§§! đ
āĻĒāϰā§āĻā§āώāĻžāϰ āĻĒā§āϰāϏā§āϤā§āϤāĻŋ āϝāĻžāĻāĻžāĻ āĻāϰāϤ⧠āĻāĻ āĻĒā§āϰāĻļā§āύāĻā§āϞ⧠āϏāĻŽāĻžāϧāĻžāύ āĻāϰ⧠āĻĢā§āϞ⧠āĻāĻāύāĻāĨ¤ āϏāĻŦāĻā§āϞ⧠āĻĒā§āϰāĻļā§āύā§āϰ āĻāϤā§āϤāϰ āĻ āĻŋāĻāĻ āĻžāĻ āĻĒāĻžāϰāĻā§ āϤā§? āĻāĻŽā§āύā§āĻā§ āĻāĻžāύāĻžāĻ! đ
âāĻļā§āϝāĻŧāĻžāϰ āĻāϰ⧠āĻŦāύā§āϧā§āĻĻā§āϰāĻ āĻĒā§āϰā§āϝāĻžāĻāĻāĻŋāϏ āĻāϰāĻžāϰ āϏā§āϝā§āĻ āĻāϰ⧠āĻĻāĻžāĻāĨ¤
âđ āĻāϰāĻ āĻā§āϞāĻžāϏā§āϰ āĻāύā§āϝ āĻĢāϞ⧠āĻĻāĻŋā§ā§ āϰāĻžāĻā§: Jahidul Math Care
đ¯ SSC / āύāĻŦāĻŽ-āĻĻāĻļāĻŽ āĻļā§āϰā§āĻŖāĻŋāϰ āϏāĻžāϧāĻžāϰāĻŖ āĻāĻŖāĻŋāϤ: āϤā§āϰāĻŋāĻā§āĻŖāĻŽāĻŋāϤāĻŋ āϏā§āĻĒā§āĻļāĻžāϞ āĻŽāĻĄā§āϞ āĻā§āϏā§āĻ-ā§Ļā§§! đ
āĻĒāϰā§āĻā§āώāĻžāϰ āĻĒā§āϰāϏā§āϤā§āϤāĻŋ āϝāĻžāĻāĻžāĻ āĻāϰāϤ⧠āĻāĻ āĻĒā§āϰāĻļā§āύāĻā§āϞ⧠āϏāĻŽāĻžāϧāĻžāύ āĻāϰ⧠āĻĢā§āϞ⧠āĻāĻāύāĻāĨ¤ āϏāĻŦāĻā§āϞ⧠āĻĒā§āϰāĻļā§āύā§āϰ āĻāϤā§āϤāϰ āĻ āĻŋāĻāĻ āĻžāĻ āĻĒāĻžāϰāĻā§ āϤā§? āĻāĻŽā§āύā§āĻā§ āĻāĻžāύāĻžāĻ! đ
â
āĻā§āύ⧠āϏā§āĻā§āϰ āĻāĻĒāĻžāĻĻāĻžāύ āϏāĻāĻā§āϝāĻž n āĻšāϞā§, āϤāĻžāϰ āĻĒā§āϰāĻā§āϤ āĻāĻĒāϏā§āĻā§āϰ āϏāĻāĻā§āϝāĻž āĻāϤ?đ
â(āĻ) 2^n â(āĻ) 2^{n-1}
â(āĻ) 2^n - 1 â(āĻ) 2^n + 1
17/09/2026
HSC ⧍ā§Ļ⧍ā§-⧍ā§Ļā§¨ā§Ž āĻŦā§āϝāĻžāĻā§āϰ āĻļāĻŋāĻā§āώāĻžāϰā§āĻĨā§āĻĻā§āϰ āĻāύā§āϝ āĻŦāĻžāĻāϞāĻž ā§§āĻŽ āĻĒāϤā§āϰā§āϰ āĻā§ā§āĻžāύā§āϤ āϏā§āĻĒāĻžāϰ āϏāĻžāĻā§āĻļāύ āĻ āĻŽāĻžāύāĻŦāĻŖā§āĻāύ! đ¯đĨ
āĻŦāĻžāĻāϞāĻž ā§§āĻŽ āĻĒāϤā§āϰ⧠A+ āύāĻŋāĻļā§āĻāĻŋāϤ āĻāϰāϤ⧠āĻā§āύ āĻāĻĻā§āϝ, āĻāĻŦāĻŋāϤāĻž āĻ āύāĻžāĻāĻ-āĻāĻĒāύā§āϝāĻžāϏāĻā§āϞ⧠āϏāĻŦāĻā§ā§ā§ āĻŦā§āĻļāĻŋ āĻā§āϰā§āϤā§āĻŦāĻĒā§āϰā§āĻŖ (ā§Š-āϏā§āĻāĻžāϰ āĻāĻŋāĻšā§āύāĻŋāϤ), āϤāĻž āĻĻā§āĻā§ āύāĻžāĻ āĻāĻ āύāĻāϰā§āĨ¤ āϏāĻžāĻĨā§ āĻŦāĻšā§āύāĻŋāϰā§āĻŦāĻžāĻāύāĻŋ āĻ āϏā§āĻāύāĻļā§āϞ āĻĒā§āϰāĻļā§āύā§āϰ āύāĻŋāĻā§āĻāϤ āĻĒā§āϰāĻļā§āύā§āϰ āĻāĻžāĻ āĻžāĻŽā§ āϤ⧠āĻĨāĻžāĻāĻā§āĻ!
āĻĻā§āϰāĻŋ āύāĻž āĻāϰ⧠āĻāĻŋāĻĄāĻŋāĻāĻāĻŋ āĻāĻāύāĻ āϏā§āĻ āĻāϰ⧠āϰāĻžāĻā§ āĻāĻŦāĻ āĻŦāύā§āϧā§āĻĻā§āϰ āϏāĻžāĻĨā§ āĻŽā§āύāĻļāύ/āĻļā§ā§āĻžāϰ āĻāϰ⧠āϤāĻžāĻĻā§āϰāĻ āĻĒā§āϰāϏā§āϤā§āϤāĻŋāϰ āϏā§āϝā§āĻ āĻāϰ⧠āĻĻāĻžāĻ! đâ¨
āύāĻŋā§āĻŽāĻŋāϤ āĻĒā§āĻžāĻļā§āύāĻžāϰ āĻāĻŋāĻĒāϏ āĻ āϏāĻžāĻā§āĻļāύā§āϰ āĻāύā§āϝ āĻĒā§āĻāĻāĻŋ āĻĢāϞ⧠āĻāϰ⧠āϰāĻžāĻā§: Jahidul Math Care
āĻšā§āϝāĻžāĻļāĻā§āϝāĻžāĻ:
āĻāĻāĻāĻāϏāϏāĻŋ- ⧍ā§/ā§¨ā§Ž āĻŦāĻžāĻāϞāĻž ā§§āĻŽ āĻĒāϤā§āϰā§āϰ āĻā§ā§āĻžāύā§āϤ āϏā§āĻĒāĻžāϰ āϏāĻžāĻā§āĻļāύ āĻ āĻŽāĻžāύāĻŦāĻŖā§āĻāύ! đ¯đĨ
āĻŦāĻžāĻāϞāĻž ā§§āĻŽ āĻĒāϤā§āϰ⧠A+ āύāĻŋāĻļā§āĻāĻŋāϤ āĻāϰāϤ⧠āĻā§āύ āĻāĻĻā§āϝ, āĻāĻŦāĻŋāϤāĻž āĻ āύāĻžāĻāĻ-āĻāĻĒāύā§āϝāĻžāϏāĻā§āϞ⧠āϏāĻŦāĻā§ā§ā§ āĻŦā§āĻļāĻŋ āĻā§āϰā§āϤā§āĻŦāĻĒā§āϰā§āĻŖ (ā§Š-āϏā§āĻāĻžāϰ āĻāĻŋāĻšā§āύāĻŋāϤ), āϤāĻž āĻĻā§āĻā§ āύāĻžāĻ āĻāĻ āύāĻāϰā§āĨ¤ āϏāĻžāĻĨā§ āĻŦāĻšā§āύāĻŋāϰā§āĻŦāĻžāĻāύāĻŋ āĻ āϏā§āĻāύāĻļā§āϞ āĻĒā§āϰāĻļā§āύā§āϰ āύāĻŋāĻā§āĻāϤ āĻĒā§āϰāĻļā§āύā§āϰ āĻāĻžāĻ āĻžāĻŽā§ āϤ⧠āĻĨāĻžāĻāĻā§āĻ!
HSC- 27
āĻŦāĻžāĻāϞāĻž ā§§āĻŽ āĻĒāϤā§āϰā§āϰ āϏāĻžāĻā§āĻļāύ āϞāĻžāĻāĻŦā§ āĻāĻžāϰ āĻāĻžāϰ āĻāĻŽā§āύā§āĻ āĻāϰā§āĨ¤đ°
17/09/2026
āĻāϏāĻāϏāϏāĻŋ ⧍ā§Ļ⧍⧠āĻĒāϰā§āĻā§āώāĻžāϰā§āĻĨā§āĻĻā§āϰ āĻāύā§āϝ āĻŦāĻžāĻāϞāĻž ā§§āĻŽ āĻĒāϤā§āϰā§āϰ āĻā§ā§āĻžāύā§āϤ āϏāĻžāĻā§āĻļāύ āĻ āĻŽāĻžāύāĻŦāĻŖā§āĻāύ! đ¯
āĻāĻŽ āϏāĻŽā§ā§ āϏā§āϰāĻž āĻĒā§āϰāϏā§āϤā§āϤāĻŋāϰ āĻāύā§āϝ āĻā§āύ āĻāĻĻā§āϝ, āĻĒāĻĻā§āϝ āĻ āύāĻžāĻāĻ-āĻāĻĒāύā§āϝāĻžāϏāĻā§āϞ⧠āϏāĻŦāĻā§ā§ā§ āĻŦā§āĻļāĻŋ āĻā§āϰā§āϤā§āĻŦāĻĒā§āϰā§āĻŖ (ā§Ģ-āϏā§āĻāĻžāϰ āĻāĻŋāĻšā§āύāĻŋāϤ), āϤāĻž āĻĻā§āĻā§ āύāĻžāĻ āĻāĻ āύāĻāϰā§āĨ¤ āĻļā§āώ āĻŽā§āĻšā§āϰā§āϤā§āϰ ā§§ā§Ļā§Ļ% āĻĒā§āϰāϏā§āϤā§āϤāĻŋāϰ āĻāύā§āϝ āĻāĻ āĻ
āϧā§āϝāĻžā§āĻā§āϞ⧠āĻ
āĻŦāĻļā§āϝāĻ āĻāĻžāϞā§āĻāĻžāĻŦā§ āϰāĻŋāĻāĻŋāĻļāύ āĻĻāĻžāĻāĨ¤
āĻāĻŋāĻĄāĻŋāĻāĻāĻŋ āϏā§āĻ āĻāϰ⧠āϰāĻžāĻā§ āĻāĻŦāĻ āĻŦāύā§āϧā§āĻĻā§āϰ āϏāĻžāĻĨā§ āĻļā§ā§āĻžāϰ āĻāϰ⧠āϤāĻžāĻĻā§āϰāĻ āĻĒā§āϰāϏā§āϤā§āϤāĻŋāϰ āϏā§āϝā§āĻ āĻāϰ⧠āĻĻāĻžāĻ! đâ¨
āύāĻŋā§āĻŽāĻŋāϤ āϏāĻžāĻā§āĻļāύā§āϰ āĻāύā§āϝ āĻĢāϞ⧠āĻāϰā§: Jahidul Math Care
āĻšā§āϝāĻžāĻļāĻā§āϝāĻžāĻ:
āĻāϏāĻāϏāϏāĻŋâ⧍ā§
āĻŦāĻžāĻāϞāĻž ā§§āĻŽ āĻĒāϤā§āϰā§āϰ āϏāĻžāĻā§āĻļāύ āϞāĻžāĻāĻŦā§ āĻāĻžāϰ āĻāĻžāϰ āĻāĻŽā§āύā§āĻ āĻāϰā§āĨ¤đ°
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