Math, asked by knowledge2671, 1 month ago

Evaluate using the suitable indentity (93)2 – (15)
please solve this question.

Answers

Answered by MrM00N

5

Answer

7

4.0

a). 93² - 15²

➡ ( a+b ) ( a-b )

➡ ( 93+15 ) ( 93-15 )

➡ ( 108 ) ( 78 )

➡ 8424.

b).58 × 62

➡ ( a+b ) ( a-b ) = a² - b²

➡ ( 60 -2 ) ( 60 + 2 )

➡ 60² - 2²

➡ 3600 - 4

➡ 3596.

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