Q1.If one of the zeroes of the quadratic polynomial (k–1) x2 + k x + 1 is –3, then the value of k is. A) 4/3 B) -4/3 C) 2/3 D) -2/3 Solution: Q2. A quadratic polynomial, whose zeroes are –3 and 4, is is A) x2 – x + 12 B) x2 + x […]
Exemplar Solution Class 10 Polynomial Exercise 2.1 Read Post »
Q1.Answer the following and justify: (i) Can x2 – 1 be the quotient on division of x6 + 2×3 + x – 1 by a polynomial in x of degree 5?. Solution: (ii) What will the quotient and remainder be on division of ax2 + bx + c by px3 + qx2 + rx +
Exemplar Solution Class 10 Polynomial Exercise 2.2 Read Post »
Find the zeroes of the following polynomials by factorisation method and verify therelations between the zeroes and the coefficients of the polynomials: Q1. 4×2 – 3x – 1. Q2. 3×2 + 4x – 4. Solution: Solution: Q3. 5t2 + 12t + 7. Solution: Q4. t3-2t2 – 12t. Solution: Q5. x2 + 7x/2 + 3/4. Solution:
Exemplar Solution Class 10 Polynomial Exercise 2.3 Read Post »
Q1. For each of the following, find a quadratic polynomial whose sum and product respectively of the zeroes are as given. Also find the zeroes of these polynomials by factorisation. -8/3 , 4/3 21/8 , 5/16 -2√ 3,-9 -3/2√ 5 , -1/2 Solution: Q2. Given that the zeroes of the cubic polynomial x3 – 6×2
Exemplar Solution Class 10 Polynomial Exercise 2.4 Read Post »
‹Exercise 7.1 Exercise 7.3› State whether the following statements are true or false. Justify your answer. Q1. ∆ ABC with vertices A (–2, 0), B (2, 0) and C (0, 2) is similar to ∆ DEF withvertices D (–4, 0) E (4, 0) and F (0, 4). Solution: Q2. Point P (– 4, 2) lies
Exemplar Solutions Class 10 Co-ordinate Geometry Exercise 7.2 Read Post »
Exercise 7.2› Choose the correct answer from the given four options: Q1. The distance of the point P (2, 3) from the x-axis is(A) 2 (B) 3 (C) 1 (D) 5 Solution 1 Q2. The distance between the pointsA (0, 6) and B (0, –2) is (A) 6 (B) 8 (C) 4 (D) 2 Solution
Exemplar Solutions Class 10 Co-ordinate Geometry Exercise 7.1 Read Post »
