Write the coefficient of 'y' in expansion
Of (5-2y)^2.
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Answered by
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(5-2y)²=25-20y+4y²
So, answer is -20
So, answer is -20
Light1729:
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Answered by
3
(5-2y)² = 25+4y² - 20y
Coefficient of y is -20
Coefficient of y is -20
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