Inter maths 1(B)-direction ratios & direction cosines-Find dc's of l-5m+3n=0 and7l^2+5m^2-3n^2=0 -1

Inter maths 1(B)-direction ratios & direction cosines-Find dc's of l-5m+3n=0 and7l^2+5m^2-3n^2=0 -1

M1 topic - Linear Differential Equation with Variable coefficients
M2 Engineering Maths for JNTU and other universities and Autonomous colleges
M3 BTech Maths with relevant topics and previous solved question papers
M4 BTech Maths with relevant topics with problems and solutions along with previous solved question papers