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Solve the followings : (a^(m-n))^(1) x...

Solve the followings :
`(a^(m-n))^(1) xx (a^(n-1))^m xx (a^(1 - m))^(n)`

A

both A and R are true and R is the correct explanation of A

B

both A and R are true and R is not the correct explanation of A

C

A is true , but R is false

D

A is false, but R is true

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The correct Answer is:
A
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ARIHANT SSC-FUNDAMENTALS -EXERCISE - MISCELLANEOUS
  1. In the equation 4^(x + 2) = 2^(x +3) + 48 , the value of x will be

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  2. A lad was asked his age by his friend. The lad said , "The number you ...

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  3. Solve the followings : (a^(m-n))^(1) xx (a^(n-1))^m xx (a^(1 - m))^(...

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  4. If the sum of two numbers added to the sum of their squares is 42 and ...

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  5. If the equality 1/(x -1) = 2/(x - 2) is satisfied by x then the value ...

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  6. If x + 1/x = 2, then the value of x^2 + 1/(x^2) is :

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  7. If a = 24, b = 26, c = 28, then the value of a^2 + b^2 + c^2 - ab - bc...

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  8. A number n is said to be 'perfect' if the sum of all its divisors excl...

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  9. The product a/(b^2) xx b/(a^2) expressed as the sum of two identical t...

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  10. If x = 6 and y = 3 then the value of [x + y]^(x//y) is:

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  11. If the arithmetic mean of the numbers x1 , x2, x3,……., xn is barx, the...

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  12. The arithmetic mean of first 50 odd natural numbers is :

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  13. A boy draws n squares with sides 1,2,3,4,5,…. In inches. The average a...

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  14. Which one of the following sets of surds is in correct sequence of asc...

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  15. Which one of the following statements is not correct :

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  16. If (a^2 + b^2)^3 = (a^3 + b^3)^2 and ab != 0 then (a/b + b/a)^6 is equ...

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  17. A page contains 60 lines. A chapter contains 125 pages. A book contain...

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  18. If x is a natural number which is a perfect square , then the number x...

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  19. If 2^p + 1 is a prime number, then p must be power of:

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  20. The number of composite numbers between 101 and 120 is :

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