exam
Maths Puzzle
Numerical Ability
D=C-S/N(FOR S)
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exam Other Question
How can I write this two-column proof?
Given: Segment AD is perpendicular to segment BC; segment BA is perpendicular to segment AC
Prove: <1 is congruent to <2 (angle 1 is cong
(x^3+2x)(5x^2-3)