1.

(x + 2) (x2 + 5) = ……………..A) x3 + 2x2 + 5x + 10 B) x3 – x2 – 5x + 1 C) x3 – 7x2 + 3 D) x3 – 3x + 7

Answer»

A) x3 + 2x2 + 5x + 10 

Correct option is (A) x3 + 2x2 + 5x + 10

\((x+2)(x^2+5)\)

\(x^3+2x^2+5x+10\)



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