Question

use a suitable identify to get each of the following products:
full solution send me
plese send right answer​

Answer 1

(xii) (6a²-7b)²

Using the identity of (a-b)² = a²-2ab+b²

=(6a²)²-2×6a²×7b+(7b)²

= 36a⁴-84a²b+49b²

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