Question

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Q. Find the value of x.
$x \times \frac{50}{3} \times \frac{2}{9} \times \frac{81}{4} \times \frac{1}{125} = \frac{3}{49} \times \frac{343}{7}$
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Answer 1

Answer:

(a+b)2 = a2 + b2 + 2ab.

(a-b)2 = a2 + b2 – 2ab.

(a+b) (a-b) = a2 – b2.

(x + a)(x + b) = x2 + (a + b)x + ab.

(x + a)(x – b) = x2 + (a – b)x – ab.

(a + b)3 = a3 + b3 + 3ab(a + b)

(a – b)3 = a3 – b3 – 3ab(a – b)

(x – a)(x + b) = x2 + (b – a)x – ab

Step-by-step explanation: