If a and b are different primes such that (i)[a−1b2a2b−4]7÷[a3b�

1.	If a and b are different primes such that (i)[a−1b2a2b−4]7÷[a3b−5a−2b3]=axby,find x and y. (ii)(a+b)−1(a−1+b−1)=axby,find x+y+2.
Answer» If a and b are different primes such that $(i) {[\frac{a^{- 1} b^{2}}{a^{2} b^{- 4}}]}^{7} \div [\frac{a^{3} b^{- 5}}{a^{- 2} b^{3}}] = a^{x} b^{y}, f i n d x a n d y .$ $(i i) (a + b)^{- 1} (a^{- 1} + b^{- 1}) = a^{x} b^{y}, f i n d x + y + 2.$

If a and b are different primes such that (i)[a−1b2a2b−4]7÷[a3b−5a−2b3]=axby,find x and y. (ii)(a+b)−1(a−1+b−1)=axby,find x+y+2.

Answer»

If a and b are different primes such that $(i) {[\frac{a^{- 1} b^{2}}{a^{2} b^{- 4}}]}^{7} \div [\frac{a^{3} b^{- 5}}{a^{- 2} b^{3}}] = a^{x} b^{y}, f i n d x a n d y .$

$(i i) (a + b)^{- 1} (a^{- 1} + b^{- 1}) = a^{x} b^{y}, f i n d x + y + 2.$

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If a and b are different primes such that (i)[a−1b2a2b−4]7÷[a3b−5a−2b3]=axby,find x and y. (ii)(a+b)−1(a−1+b−1)=axby,find x+y+2.

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