- - - - - - - - - - - - (469 - 174) 2 =? (469 x 174)
A. 2
B. 4
C. 295
D. 643
Answer:B
- - - - - - - - - - - - (469 - 174) 2 =? (469 x 174)
A. 2 B. 4 C. 295 D. 643
Explanation: If exp. = (a + b)2 - (a - b)2/ab is true,= 4ab/ab= 4 (in which a = 469 and b = 174.)