# Find two positive odd number,sum of whose square is 74?

2
by ravishsood

2015-04-18T21:41:03+05:30

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The no.s are-
7 and 5
Since 7²+5²=49+25=74.
By trial and error method.
Can u please send me formula of "by trial and error method"
there is no formula for that its just simply selecting random data and putting in the equation to see if it satisfies or not
2015-04-18T21:53:43+05:30

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Let the required numbers be  and

Clearly

By working the four cases and by symmetry  are
therefore the required numbers are