Question

x²
xt
3. Using the identity for difference of two squares, find the values of:
(i) 18 x 22
(ii) 101 x 99
(iii) (84)-(76) (iv) (203)? – (197)
4. Find the value of x, if :
(1) 13x = (58) 20152​

Answer 1

Answer:

1 , 396 ,2, 9,999,

20152 (58)