English, asked by helina28, 1 year ago

the coordinates of point of intersection of the lines 3x+4y-18=0 and 4x-5y+7=0 are

Answers

Answered by AJAYMAHICH
1


These two lines are represented by the equation a1x+ b1y+ c1= 0  and a2x + b2y + c2 = 0 respectively.


then



x1/ (b1c2−b2c1) = y1/(c1a2−c2a1) = 1/ (a1b2−a2b1)

then


x = (b1c2−b2c1) /(a1b2−a2b1);

y = (a2c1−a1c2)/(a1b2−a2b1)
Attachments:

helina28: ans is wrong
AJAYMAHICH: but how ??
helina28: the options given are a) (-2,-3) b (2,3) c (2,-3) d (-2,3)
Jamshed9371: 2,3 is and put the value of x and Y in eqn
dhruvpatil98pars3s: this question is of aakash module
sumankumararyan: Ye this question is aaksh module's
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