(20) Rationalize the denominator + F5 simply √12-√5 12+5 Jia-V √12 + √√5 FOIL (16) (12 - के) 12-5 12 x the invisible 1 =12 12x-5=-60 -6x12 -60 invisible 1x5=5 12- 60- 60 +5 160 7

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