The value of 9x^2 + 49y^2-42xy when x =15 and y=3 is - Maths - Integers

Question

The value of 9x^2 + 49y^2-42xy when x =15 and y=3 is

Ayushi Gupta · Accepted Answer

Dear Student ,

The solution to Q6 is given as :
<img alt="" src=
"https://s3mn%20mnimgs%20com/img/shared/content_ck_images/ck_5cc048e99e001%20png">
So (b) is the correct option

Regards