Question

( X+2)³=X(X²- 1)সমীকরণটিকে AX²+B+C=0​

Answer 1

Answer:

(x+2)³ = x(x²-1)

or , x³+3×x²×2+3×x×2²+2³ = x³-x

or , 6x² + 12x + 8 = -x [eliminating x³ from both sides]

or , 6x² + 13x + 8 = 0

so , A = 6

B = 13

C = 8

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