solve (69)^2 by binomial mathod
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(70-1)²
4900-140+1
4761.
4900-140+1
4761.
Anonymous:
I hope it will help you.
Answered by
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69 = (70-1)
69² = (70-1)²
=70² - 2×70×1 + 1² [(a-b)² = a² - 2ab + b²]
=4900 -140 +1
=4761
69² = (70-1)²
=70² - 2×70×1 + 1² [(a-b)² = a² - 2ab + b²]
=4900 -140 +1
=4761
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It's Tarun bro.
I can't call you bro cuz I've only one and unique bro in the world so Sorry!
No problem.
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