use the identity (x+a)(x+b)=x2+(a+b)x+ab to find the value of 1001x1002
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Step-by-step explanation:
(2a 2+9)(2a 2 +5)
(2a 2+9)(2a 2 +5)=(2a 2 ) 2+(9+5)(2a 2 )+(9×5)
=4a 4 +28a 2 +45
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