Online classes for 12th CBSE Math in Bangalore

Online classes for 12th CBSE Math in Bangalore

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Math Formulas For Class 12

Many students of CBSE class 12 are phobic about math formulas, because of their negativity towards the subject and cannot focus or concentrate on math problems. Students have the most trouble before exams or even small class tests; that’s when nervousness kicks in. Due to the negativity and resentment towards math, most students fail their exams

Vectors and Three Dimensional Geometry Formulas for Class 12
Position Vector OP=r=x2+y2+z2
Direction Ratios l=ar,m=mr,n=cr
Vector Addition PQ+QR=PR
Properties of Vector Addition CommutativePropertya+b=b+aAssociativeProperty(a+b)c+=a+(b+c)
Vector Joining Two Points −−P1P2=OP1OP1
Skew Lines Cosθ=∣ ∣a1a2+b1b2+c1c2a21+a21+c21a22+a22+c22∣ ∣
Equation of a Line xx1a=yy1b=zz1c

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