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Get Answers to all your Questions
Divide 51 into two parts such that their product is 378......................
Answers (1)
Let's assume that one number be 'k'
therefore, other number will be 51-k
(k) x (51-k)=378
51k- k2 =378
k2 - 51 k + 378= 0
k2 - 42 k -9k + 378= 0
k(k-42) -9(k-42)=0
(k-42)(k-9)=0
k-42=0 or k-9=0
k=42 or k=9
If one number is 42, then the other numberis 9.
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