NalaWali
Answered

If the distance between the points (2, –2) and (–1, x) is 5, one of the values of x is
(A) –2 (B) 2 (C) –1 (D) 1

Answer :

akashnilroy
By applying distance formula,

square root of ( (2+1)(2+1) + (x+2)(x+2) ) = 5
or, 9 + (x+2)(x+2) = 25
or, (x+2) = square root of 16 = 4
or, x = 4-2 =2 (Answer (B))

Answer:

-1ya hai mera answer thanks to all of you

Other Questions