Question 13
In the following question, out of the four options, only one is correct. Write the correct answer:
If y be any non-zero integer, then y0 is equal to: (a) 1 (b) 0 (c) -1 (d) Not defined
Using law of exponents, a0=1 Similarly y0=1
Question 14
If x be any non-zero integer, then x−1 is equal to: (a) x (b) 1x (c) -x (d) −1x
Question 12
If x be any non-zero integer and m,n be negative integers, then xm×xn is equal to: (a) xm (b) x(m+n) (c) xn (d) x(m−n)
Question 21
For a non-zero integer x,x7÷x12 is equal to: (a) x5 (b) x19 (c) x−5 (d) x−19
Question 22
For a non-zero integer x,(x4)−3 is equal to: (a) x12 (b) x−12 (c) x64 (d) x−64