4.4 RATIONALIZATION 22. Rationalize the denominator and simplify 2(x-2)(Vx2 +2+2) Ans: 2x-4 (a) V? +2-2 r2 -2 2x2 - 18 (b) x+ V6-x 2(r-3)(*- V6- x) | Ans: T - 2 4 Ans: 4VE+2,/0) (c) VI-2/ -(*– 2)2 T – 4y (d) [Ans: 2Va -1+ a] |

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