Math, asked by rajinderjassi61, 11 months ago

(8.1)^2 using identiy -1​

Answers

Answered by WhiteDiamond55
10

Answer:

Hope it helps you✌✌

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Answered by Anonymous
2

Answer:

65.61

Step-by-step explanation:

(8.1)²

= (8 + 0.1)²

= 8² + (0.1)²+2×8×(0.1) [(a+b)²=a²+b²+2ab]

= 64 + 0.01 + 1.6

= 65.61

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