exam
Maths Puzzle
Numerical Ability
Prove that ((AC)^2/(BC)^2)=(AD/BD) In right triangle ACB (C is the right angle) with CD as an altitude (D is between A and B)
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exam Other Question
I am working on a Proof by Induction and keep getting bogged down in the exponents in the inductive step. Please help me simplify:
5/2[2/3(2^n - 2^(-n))] - 2/3(2^(n-1)- 2^(n-1))
ok here is my problem
6x+3=2x+11
now what do i do with it. ive tried everything and cant seem to get the right answer. Plz help