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

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

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