Question

coefficient pf x^3 in 3x^4-x^3+5x^2-9​

Answer 1

Answer:

-1 is cofficient of x3 in polynomial given

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Answer 2

Answer:

column A column B

1) alluvial soil - weathering of volcanic rocks.

2) black soil - deposition of organic matter.

3)red soil - deposition of sand and silt.

4) mountain soil - deposition of sand in arid regions.

5) desert soil - weathering of igneous rocks