Answers

2015-07-18T18:53:22+05:30
1.
100² - 99²
applying the formula: a² - b² = (a+b)(a-b)
= (100+99)(100-99)
= 199 × 1
= 199

2. 
26² - 25²
applying the formula: a² - b² = (a+b)(a-b)
= (26+25)(26-25)
= 51 × 1
= 51
0
sry the ques is wrong actually it is 100 square -99 square and 26 square-25 square
ok?
thnk u for answerin
you are welcome!
kindly ans the ques of comp whc i hav posted another id