Question

Long Questions (Q17 to Q19)
Q17. The area of rectangle is (12x2-8x3-4x2) cm2. Its width is (3x+1)cm.
Q18. Factorise 12x2- 29xy + 14 y2
Q19. Factorise 6a2- 21a4-12a2​

Answer 1

Answer:

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Step-by-step explanation:

the only thing I have done for you read in class 9 Kai hu I will inbox folder is your question is about to go to the same answer any

All viruses, downy mildews, powdery mildews, rusts and smuts are obligate parasites. 3. Facultative parasites—usually survive as a saprophyte but have the ability to parasitize and cause disease under certain conditions.

Answer 2

Answer:

Q17.

Q18.

Q19.

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