जल्दी आंसर करें यह नेसेसरी है
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your answer are following
Step-by-step explanation:
(1) it is trinomial . it's cofficient is 9 (2)it is also a trinomial. it's cofficient is b.(3)it is also a trinomial. it's cofficient is 7/3 . (4) it is also a trinomial. it's cofficient is -6.
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