Question

y=x9,y=x15,y=3√3x,y=1\4,y=7cosx how to slove it​

Answer 1

Answer:

Solve the following pairs of equations by reducing them to a pair of linear equations:

(i)

2x

1

+

3y

1

=2;

3x

1

+

2y

1

=

6

13

(ii)

x

2

+

y

3

=2;

x

4

−

y

9

=−1

(iii)

x

4

+3y=14;

x

3

−4y=23

(iv)

x−1

5

+

y−2

1

=2;

x−1

6

−

y−2

3

=1

(v)

xy

7x−2y

=5;

xy

8x+7y

=15

(vi) 6x+3y=6xy;2x+4y=5xy

(vii)

x+y

10

+

x−y

2

=4;

x+y

15

−

x−y

5

=−2

(viii)

3x+y

1

+

3x−y

1

=

4

3

;

2(3x+y)

1

−

2(3x−y)

1

=

8

−1

Hard