Question

find the value of y for when the Distance between the points A (3,-1)and B (11,y) is 10​

Answer 1

Answer:

by applying formula under root 2 minus y 1 ka whole square minus X2 -

Answer 2

Answer:

we have put values in the distance formula

$\sqrt{ {8}^{2} + ( {y - ( - 1)}^{2} } = 10$

by squaring both the sides we get

$64 + {(y + 1)}^{2} = 100 \\ {y }^{2} + 2y - 35 = 0 \\ y = - 7 \: and \: + 5$

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