Question

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Answer 1

$\huge\blue{\boxed{\mathfrak{refer \: the \: attachment}}}$

$\small\blue{{\mathfrak{steps \: to \: do}}}$

• Since the roots of equation are equal then put D(differentiate) equal to 0

• Then simplify the equation and cut m^2c^2 from LHS and RHS

• You will find the equation which we have to prove

$\huge\blue{{\mathbb{note}}}$

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