Question

(ii) (6x²-7y²)(6x²+7y²)​

Answer 1

Answer:

(6x^2)^2-(7y^2)^2

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Answer 2

Step-by-step explanation:

using the formula a²-b² = (a+b)(a-b)

so we get { (6x²)² - (7y²) }

= 36x⁴ - 49y⁴