exam Maths Puzzle Numerical Ability

if abc=1, show that 1loga^x + 1logb^x +1logc^x=0

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exam Other Question

Please help me solve this equation!

The sum of the squares of two consecutive even integers is 452. Find the numbers.

What formula should be used to solve this? Factorise:
#1 a2 + 6ab + 9b2 - 1
PLEASE NOTE THAT IN THE QUESTION a AND b ARE NOT MULTIPLYING BY 2, BUT BOTH HAVE SQUARES i.e. (a)square + 6ab + 9(b)square - 1