Question

product of 2 digit of a 2 digit number is 6 and the sum of digit is 7 find the number​

Answer 1

Answer:

61 or 16

Step-by-step explanation:

As 6×1=6 and

6+1=7

Answer 2

Step-by-step explanation:

let the digits=x&y

given:-

xy=6......1

x+y=7......2

by substitution method

x=7-y

put this value in 1st eqn

{7-y}{y}=6

7y-y^2=6

-y^2+7y-6=0

y^2-7y+6=0{I have changed side}

y^2-6y-y+6=0

y{y-6}-1{y-6}=0

{y-1}{y-6}=0

so digits=1,6

no.=10x+y

=61

or 16

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