20) If (a-b) = 5; ab = 29.75, then a = ?
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Answer:
Question is wrong...
Step-by-step explanation:
a-b=5
So b= -5+a
ab=29.75 . ...........eq.-1
putting value of b in eq 1:-
we get, a2-5a=29.75
a2-5a-29.75=0
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