निम्न बहुपदों को जोडिए-
(1) 2x2 - 3y2 - 9z² - 7; 6x2 - 5y2 - 8z² +10; – 6x2 - 3y2 +4z²-10
2.
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shamjao
OK ???????????? hcndhbx
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