Question

find the value of y.

y^2 = 1/4 ​

Answer 1

Answer:

ANSWER

y+y1=9

Squaring both side

(y+y1)2=92

y2+y21+2×y×y1=81

y2+y21=81−2=79

Squaring

(y2+y21)2=(79)2

y4+y41+2×y2×y21=6241

y4+y41=6,239.

Step-by-step explanation:

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Answer 2

Step-by-step explanation:

y²=1

4

therefore,

y= √1

4

and,

y=√1×1

2×2

y=1

2