Question

if p+r= 2q and (q+s)r= 2qs then qr is equal to !? ​

Answer 1

SOLUTION

TO DETERMINE

If p + r = 2q and (q+s)r = 2qs then qr is equal to

EVALUATION

Here it is given that

p + r = 2q

⇒ p = 2q - r - - - - - - (1)

Now it is given that

(q+s)r = 2qs

⇒qr + rs = 2qs

⇒ qr = 2qs - rs

⇒ qr = ( 2q - r )s

⇒ qr = p × s [ Using Equation 1 ]

⇒ qr = ps

FINAL ANSWER

If p + r = 2q and (q+s)r = 2qs then qr = ps

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