Math, asked by PragyaTbia, 11 months ago

विस्तार करा- (2x + 3y)²

Answers

Answered by pt398
1

by (a+b)2 formula

(2x)2+(3y)2+2(2x)(3y)

4x+9y+12xy Ans

Answered by hukam0685
2
विस्तार करा- (2x + 3y)²

विस्तार सूत्र:

( {a  +  b)}^{2}  =  {a}^{2}  +  {b}^{2} + 2ab \\  \\
a = 2x \\  \\ b = 3y \\  \\
( {2x + 3y)}^{2}  = ( {2x)}^{2}  + ( {3y)}^{2}  + 2(2x)(3y) \\  \\  = 4 {x}^{2}  + 9 {y}^{2}  + 12xy \\  \\
विस्तार
( {2x + 3y)}^{2}  = 4 {x}^{2}  + 3 {y}^{2}  + 12xy \\  \\
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