NCERT SOLUTIONS | CBSE | CLASS 9 | MATHEMATICS AREAS OF PARALLELOGRAMS AND TRIANGLES TRIANGLES SURFACEAREAS AND VOLUMES STATISTICS QUADRILATERALS PROBABILITY POLYNOMIALS NUMBER SYSTEMS LINES AND ANGLES LINEAR EQUATIONS IN TWO VARIABLES INTRODUCTION TO EUCLID’S GEOMETRY HERON’S FORMULA COORDINATE GEOMETRY CONSTRUCTIONS CIRCLES
AREAS OF PARALLELOGRAMS AND TRIANGLES TRIANGLES SURFACEAREAS AND VOLUMES STATISTICS QUADRILATERALS PROBABILITY POLYNOMIALS NUMBER SYSTEMS LINES AND ANGLES LINEAR EQUATIONS IN TWO VARIABLES INTRODUCTION TO EUCLID’S GEOMETRY HERON’S FORMULA COORDINATE GEOMETRY CONSTRUCTIONS CIRCLES
STATISTICS | SPEED NOTES | CBSE | CLASS 10 | MATHEMATICSWhen $a \ne 0$, there are two solutions to \(ax^2 + bx + c = 0\) and they are $$x = {-b \pm \sqrt{b^2-4ac} \over 2a}.$$ <math...
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