exam
Maths Puzzle
Numerical Ability
What is the answer to this equation? 3^2+2(3+1)^2=
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exam Other Question
what is the value of i+56i^9
1. Find "x" for these 2 problems
a)9^2x=2*(9^x)+3
b)3*(3^x)+9*(3^-x)=28
ive graduated 2years ago and i dont remember how to do those 2 problems
id like to know how to solve them step by step thanks
yours
brian