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RD Chapter 2 Exponents of Real Numbers Ex 2.1 Solutions

Question - 1 : - Simplify the following:

Answer - 1 : -


Question - 2 : -
If a = 3 and b =-2, find the values of:
(i) aa+ bb
(ii) ab + ba
(iii) (a+b)ab

Answer - 2 : -


Question - 3 : - Prove that:

Answer - 3 : -


Question - 4 : - Prove that

Answer - 4 : -


Question - 5 : - Prove that

Answer - 5 : -


Question - 6 : -

Answer - 6 : -


Question - 7 : - Simplify the following:

Answer - 7 : -


Question - 8 : - Solve the following equations for x:

Answer - 8 : -


Question - 9 : - Solve the following equations for x:

Answer - 9 : -


Question - 10 : - If 49392 = a4b2V3, find the values.of a, b and c, where a, b and c are different positive primes.

Answer - 10 : -


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