MHT CET202312 May 2023Morning ShiftMathematicsLimitsActual

_ x 4 7 x^ - 2 x^ x^2 is

Options

A-45 2 ^2
B-45 2
C- ^2 1440
D- ^2 2880

Correct answer

C. - ^2 1440

Step-by-step solution

aligned & _ x 0 7 x^ - 2 x^ x^2 & = _ x 0 ( 7 180 ) x- ( 2 180 ) x x^2 & = ( 2 180 )^2- ( 7 180 )^2 2 & [ _ x 0 m x- n x x^2 = n^2-m^2 2 ] & = - ^2 1440 aligned

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