Question

11. Using properties of proportion, solve for x : 7 0 5 + 5 + 15-16 √x + 5-8x-16 31​

Answer 1

Answer:

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Answer 2

Answer:

Given: 2x2x4+1=817

By using componendo and dividendo, we get x4+1−2x2x4+1+2x2=17−817+8

(x2−1x2+1)2=925

(x2−1x2+1)2=(35)2

Taking square root on both sides, we get

x2−1x2+1=35

⇒5x2−5=3x2+3

⇒5x2−3x2=3+5

⇒2x2=