exam
Maths Puzzle
Numerical Ability
please solve the problem for me.
nC0.nCn + nC1.nCn-1 + nC2.nCn-2 + ...........+nCn.nC0=(2n!)/(n!)^2
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exam Other Question
solve.
{5x+ 2y=28 and 3x-4y=48
Please help me solve this equation:
c^2+2c-24=0