Question

Solve this question with substitution method?

1/3x+1+1/3x-1 and 1/2(3x+1)+1/2(3x-1)
This question is in class 10 math book.тШ║я╕ПтШ║я╕П

Answer 1

$1 \div 3x + 1 + 1 \div 3x - 1.......(1) \\ 1 \div 2(3x + 1) + 1 \div 2(3x - 1)..........(2) \\let \: 3x + 1 = k \\ 3x - 1 = l \\ 1 \div k + 1 \div l \\ k + l \div kl \: sub \: this \: vaue \: in \: ....(2) \: we \: get \: ans$