Question

Solve the following questions

1. Solve the following simultaneous equations using Cramer's rule

7x + 3y = 15; 5x - 12 y = - 39


2. Find four consecutive terms in an A.P whose sum is 12 and sum

of 3rd and 4th term is 14


3. Prove that if a line parallel to a side of a triangle intersects the
remaining two sides in two distinct points, then the line divides

the two sides in the same proportion.
Please answer fast!!!

It's very urgent !!!!​

Answer 1

Answer:

Solve the following equations by Cramer’s method.

i. 7x + 3y = 15; 12y - 5x = 39

ii.

x+y−8

2

=

x+2y−14

3

=

3x−y

4

linear equations in two variables

Step-by-step explanation:

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Answer 2

Answer:

(1) 7x+3y=15; 12y-5x=39                

(2) x+y-8

   2

=x+2y-14

   3

=3x-y

   4

I hope its helpful to you. :)