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Exercise 3.10

1. Solve the following quadratic equations by factorization method

(i) 4*x*2 − 7*x* − 2 = 0

(ii) 3(*p* 2 − 6) = *p*(*p* + 5)

(iii) √[a (a − 7)] = 3√2

(iv) √2x2 + 7 x + 5√2 = 0

(v) 2*x*2 − x + 1/8 = 0

2. The number of volleyball games that must be scheduled in a league with *n* teams is given by *G* (*n*) = [*n*2 –*n*]/ 2 where each team plays with every other team exactly once. A league schedules 15 games. How many teams are in the league?

1. (i) -1/4,2 (ii) -2, 9/2 (iii) -2,9 (iv) -√2, -5/√2 (v) 1/4, 1/4

2. 6

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10th Mathematics : UNIT 3 : Algebra : Exercise 3.10: Solving Quadratic Equations by factorization method | Problem Questions with Answer, Solution | Mathematics

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