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indresh834:
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for 10(b). let 1/x=a and 1/y=b
3a-2b=1
4a+5b=2
solve for a and b,, and reverse it's value.. I. e, x=1/a ,,y=1/b
13(a). let 1/√x=a and 1/√y=b
and solve same as above
12(a),let shyam"s age be x... his son's age =49-x
x-7=6(49-x-7)
find X and put in ages assumed
3a-2b=1
4a+5b=2
solve for a and b,, and reverse it's value.. I. e, x=1/a ,,y=1/b
13(a). let 1/√x=a and 1/√y=b
and solve same as above
12(a),let shyam"s age be x... his son's age =49-x
x-7=6(49-x-7)
find X and put in ages assumed
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