Math, asked by arjunskumar, 3 months ago

find the value using proper identity 68×72

Answers

Answered by gayatrimutha13

1

Answer:

68 × 72

(70 - 2) (70 + 2)

Using identity (a-b) (a+b) = a² - b²

(70)² - (2)²

4900 - 4

4896 Ans.

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