Question

of ² ty² - 16 and xy =5, find the value of (1/3x_1/3y)​

Answer 1

Answer:

Correct option is A)

3x+4y=16

Squaring both sides

=>(3x+4y)

2

=256

=>9x

2

+16y

2

+2(3x)(4y)=256

=>9x

2

+16y

2

+24xy=256

=>9x

2

+16y

2

=256−24×4

=>9x

2

+16y

2

=256−96

=>9x

2

+16y

2

=160

Sana mka tulong