Question

pls solve this problem​

Answer 1

3 option . I hope It will help you.

Answer 2

Please see the attachment ( in attachment I have given you the solution )

Option third that is of 1225 is correct.

As R1 = -35

And R1 ^2 = -35 × -35

= 1225

Note :- square of a negative number is always a positive number.

Square mean multiplication of digit by it self.

like :-

• Square of 4 mean 4 × 4 = 16
• Square of 9 mean 9 × 9 = 81