For any two rational numbers a and b,

Question:

For any two rational numbers a and ba5 × b5 is equal to

(a) (a × b)0

(b) (a × b)10

(c) (a × b)5

(d) (a × b)25

Solution:

(c) (a x b)5

an x bn = (a x b)n

Hence,

a5 x b5 = (a x b)5

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