Math, asked by 8h38prananddesai, 13 days ago

(7 ^ (n + 2) - 9 * 7 ^ n)/(7 ^ (n + 1) * 5)

Answers

Answered by apurvadube2662

0

Answer:

Add:a) x3 – 2x²y + 3xy2 – y3, 2x3 - 5xy2 + 3x2y - 4y3 ... (x^3 - 2x^2y + 3xy^2 - y^3) + (2x^3 - 5xy^2 + 3x^2y - 4y^3). => (1 + 2)x^3 + (-2 ...

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