Question

Q13. Subtract
a. X²from 3x²-1
b. (x²-Y²) from 2x²- y² +4
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Answer 1

Answer:

13a) 3x2-1-x2 = 2x^2-l

13b) 2x^2-y^2+4-x^2+y^2

= x^2+4