Question

Sum of squares of two numbers is 145. If square root of one number is 3, find the other number.​

Answer 1

Answer:

Plz refer to the attachment

Answer 2

Let the first number be x and

the second number be y

Given that,

x

2

+y

2

=145

...(1)

x

=3

...(2)

then, using equation (2) squaring

both sides

(

x

)

2

=(3)

2

x=9

...(3)

Putting the value from equation (3)

in equation (1)

(9)

2

+y

2

=145

81+y

2

=145

y

2

=145−81

y

2

=64