Prove that if a is an odd integers than a2+(a+2)2(a+4)2+1 is divisible by 12
how to solve
find the number of the term of the series 1/27,1/9,1/3,.....,729?
√2 and √5 in between 3 irrational number find
. In Fig. 5.37, find tan P and cot R. Is tan P = cot R?
ques 22