q13 answer fast pls i have my exam tomorrow Q 13. Evaluate 4 x 2 + 1 4 x 2 , i f 2 x - 1 2 x = 2 3 Share with your friends Share 0 Ankita Agarwal answered this Dear Student, Q 13. 2x-12x=23Squaring both sides, we get2x-12x2=232Using a-b2 = a2+b2-2ab4x2+14x2-2×2x×12x=494x2+14x2 = 49+24x2+14x2 = 229 Regards 2 View Full Answer