Question

1. Which is the smallest natural number which when added to the difference of squares of 17 and 13 gives a perfect square? a) 1 b) 11 c)5 d) 24​

Answer 1

Step-by-step explanation:

The difference of squares of 17 and 13 is given by 17

2

−13

2

=289−169=120

The nearest square number to 120 is 121 i.e 11

2

.

Hence, we need to add 1 to the given expression

Answer 2

Answer:

1

The difference of squares of 17 and 13 is given by 17²

−13²

=289−169=120

The nearest square number to 120 is 121 i.e 11²

Hence, we need to add 1 to the given expression.

so the correct option is a.

thanks <3