In the expansion of (x2 – 5yº)", write the value of the exponent of k in...

Question

Question

In the expansion of (x2 – 5yº), write the value of the exponent of k in the term that contains x2* y** 04 08 2 6

Answer 1

Answer #1

since the expansion is binomial expansion and Power of the expansion is 10, we must have 3k a 10-ak 3K+2k = 10 sk = 10 .. K22

Answer 2

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