Hi,
I have solved all these problems but i wana make sure from you all that i have solved it correctly or not. Please response to my this post as soon as possible. I appreciate it!
14/x^2-1 + 1/x-1 = 3/x+1
= LCD is (x-1)(x+1)
= (x-1)(x+1).14/(x^2-1) + (x-1)(x+1).1/(x-1) = (x-1)(x+1).3/(x+1)
=14 + 1x + 1 = 3x-3
=15 + 1x = 3x -3
=15 +1x -1x = 3x -3 -1x
=15 +3 = 2x -3 + 3
= 18 =2x
= 9 = x (ANSWER)
3a+6/2a+2.a^2-a-2/a^2-4
=3(a+2)/2(a+1).(a-2)(a+1)/(a-2)(a+2)
=3/2 (ANSWER)
1/x^2-2x-3 + 2/x^2+2x+1
= 1(x+1)/(x-3)(x+1)(x+1) + 2(x-3)/(x+1)(x+1)(x-3)
=x+1+2x-6/(x+1)^2(x-3)
=3x-5/(x+1)^2(x-3) ANSWER
solve each formula for the indicated veriable:
y+1/x-2 = 2/3, for y
(x-2).y+1/(x-2) = (x-2).2/3
y+1 = 2/3x -2
y=2/3x-3(ANSWER)
Thank you!
I have solved all these problems but i wana make sure from you all that i have solved it correctly or not. Please response to my this post as soon as possible. I appreciate it!
14/x^2-1 + 1/x-1 = 3/x+1
= LCD is (x-1)(x+1)
= (x-1)(x+1).14/(x^2-1) + (x-1)(x+1).1/(x-1) = (x-1)(x+1).3/(x+1)
=14 + 1x + 1 = 3x-3
=15 + 1x = 3x -3
=15 +1x -1x = 3x -3 -1x
=15 +3 = 2x -3 + 3
= 18 =2x
= 9 = x (ANSWER)
3a+6/2a+2.a^2-a-2/a^2-4
=3(a+2)/2(a+1).(a-2)(a+1)/(a-2)(a+2)
=3/2 (ANSWER)
1/x^2-2x-3 + 2/x^2+2x+1
= 1(x+1)/(x-3)(x+1)(x+1) + 2(x-3)/(x+1)(x+1)(x-3)
=x+1+2x-6/(x+1)^2(x-3)
=3x-5/(x+1)^2(x-3) ANSWER
solve each formula for the indicated veriable:
y+1/x-2 = 2/3, for y
(x-2).y+1/(x-2) = (x-2).2/3
y+1 = 2/3x -2
y=2/3x-3(ANSWER)
Thank you!