a3-b3, a3+b3 এর গ.সা.গু কত?

A (a-b)
B 1
C a+b
D a2+ab+b2

Correct Answer: 1

a^3 - b^3 = (a - b)(a^2 + ab + b^2) a^3 + b^3 = (a + b)(a^2 - ab + b^2) H.C.F = 1
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