If 2a-12a-8- then find 4a2-14a2-

The correct option is D 62Applying the formula, (a+b) ^ 2 = a^2 nbsp; + b ^ 2 + 2ab (2a+1/2a)^2 = 2a^2 nbsp; + (1/2a) ^ 2 + 2 × 2a ×1/2a = 4a ...

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Expansion of (x+a)(x+b)

If 2a+12a=8...

Question

If $2 a + \frac{1}{2 a} = 8$ , then find $4 a^{2} + \frac{1}{4 a^{2}}$ .

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Solution

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Similar questions

If $2 a + \frac{1}{2 a} = 8$ , find :

(i) $4 a^{2} + \frac{1}{4 a^{2}}$

(ii) $16 a^{4} + \frac{1}{16 a^{4}}$

(2 a + \frac{1}{2 a}) (2 a - \frac{1}{2 a})

4 a^{2} - \frac{1}{4 a^{2}}

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