Question

when the axes are rotated through an angle π÷4, find the transformed equation of 3x²+10xy+3y²=9.

Answer 1

Answer:

To round to three significant figures, look at the fourth significant figure. It's a 5 , so round up.

To round to four significant figures, look at the fifth significant figure. It's a 1 , so round down.

Answer 2

Answer:

Copy the answer above friend