English, asked by nralte272, 7 hours ago

Using suitable Identity find The product (7a + 9b)²?​

Answers

Answered by nishinkarthik
0

Answer:

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Explanation:

Answered by patillina502
0

Explanation:

using the identity,

(a+b)²=a²+2ab+b² applying the above identity,

(7a+9b)²=(7a)²+2(7a)(9b)+(9b)²

(7a+9b)²=49a²+126ab+81b²

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