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If, (a-b) = 4 and a x b = 2, then (a2+b2) = ?

(a) 20

(b) 18

(c) 25

(d) None

Question Posted / priya

Answers were Sorted based on User's Feedback



If, (a-b) = 4 and a x b = 2, then (a2+b2) = ? (a) 20 (b) 18 (c) 25 (d) None..

Answer / h

(a) 20

Is This Answer Correct ?    10 Yes 2 No

If, (a-b) = 4 and a x b = 2, then (a2+b2) = ? (a) 20 (b) 18 (c) 25 (d) None..

Answer / kk

a-b = 4 or (a-b)*(a-b)= 16,

Now,Given a*b=2,then

a2-2ab+b2=16 or a2-4+b2=16 or a2+b2=16+4=20

Is This Answer Correct ?    8 Yes 1 No

If, (a-b) = 4 and a x b = 2, then (a2+b2) = ? (a) 20 (b) 18 (c) 25 (d) None..

Answer / priya

( d ) None

Is This Answer Correct ?    3 Yes 4 No

If, (a-b) = 4 and a x b = 2, then (a2+b2) = ? (a) 20 (b) 18 (c) 25 (d) None..

Answer / mrinmoy mukherjee

a)20

Is This Answer Correct ?    1 Yes 2 No

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