Question

subtract 3x²+y² z², 4x²y²+z² from 3y² - 9z²​

Answer 1

Step-by-step explanation:

sol. sum of

2. 2. + 9 2. 72 - sxy + 29 2 2 xy - 3 x 2

- 222 - 7xy + 34 Sum of other term.

(6x- 8xy+y?) + (ory -9g2-x2) 2. - 2 2 - x2

5x ² - Gxy - 34² 2 Now, Sub tocching both terms.

5x2 - 6xy-89 -(-2x² - 9 xy + 3y?) 2. 2

2 7 x ² + xy - Gy? - Ans.

Answer 2

Answer:

sorry I don't know i cn try it

but I can't i have final term tommorow