IIT - JEE Main & Advanced
NCERT Solutions for Class 10 Maths – Introduction to Trigonometry
Exercise 8.1 Q1) In △ABC , 90∘ at B, AB=24cm, BC = 7cm. Determine: (i)sin(A), cos(A) (ii) sin(C), cos(C) Ans.) In △ABC , ∠B=90∘ By Applying Pythagoras theorem, we get AC2=AB2+BC2 (24)2+72 =(576+49) AC2 = 625cm2 [...]
NCERT Solutions for Class 10 Maths – Coordinate Geometry
1. If the point A (x , y) is equidistant from B (4 , 2) and C (-2 , 4). Find the relation between x and y. |AB| = (x−5)2+(y−1)2−−−−−−−−−−−−−−−√ = x2+16−8x+y2+4−4y−−−−−−−−−−−−−−−−−−−−−√ |AC| = (x+2)2+(y−5)2−−−−−−−−−−−−−−−√ [...]
NCERT Solutions for Class 10 Maths – Triangles
Exercise 1 Question 1: Fill in the blanks A: All circles are ________ (Similar, Congruent) Solution: All circles are similar. B: All squares are ________ (Congruent, similar) Solution: All squares are similar. C: All _________ [...]
NCERT Solutions for Class 10 Maths – Arithmetic Progressions and Geometric Progression
General Form of an A.P: Let us consider a series with n number of terms: a1 + a2 + a3 + a4 + a5 + a6 + a7 …………………………….. = an The above series of [...]
NCERT Solutions for Class 10 Maths – Quadratic Equations
Polynomials with degree 2 are called quadratic polynomials. When this polynomial is equated to zero, we get a quadratic equation. Its general form is a2 + bx + c = 0, where a, b and [...]
NCERT Solutions for Class 10 Maths – Pair of Linear Equations in Two Variables
Exercise1 Question 1: Astitva tells his daughter, “Seven years ago I was seven times as old as you were then and also three years from now, I shall be three times as old as you [...]
