Q. 1 A4.3( 36 Votes )

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Answer :

(a + b)²Ξa² + 2ab + b²

Draw a square with the side a + b i.e.,2 + 4

L.H.S of the whole square = (2 + 4)² = (6)² = 36

R.H.S = Area of the square with 2 units + Area of the square with 4 units +

Area of the 2,4 units + Area of the square with 4 ,2 units = 2² + 4² + 2×4 + 2×4 = 4 + 16 + 8 + 8 = 36

L.H.S = R.H.S

Hence,the identity is verified.

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