Q1: After Diwali, Neha requested her grandmother to knit a rectangular woollen scarf for her to be worn during winter season. She told her the area of scarf should be 2 – 16x – 105 and its length should be (x – 21).
(i) What should be the with of the scarf?
(ii) What will be the perimeter of the scarf?
(iii) Which method of factorisation is used to simplify the area of scarf?
(iv) What will be the length if area of rectangular scarf being 4 2 – 20p + 25 and width is equal to (2p – 5)?
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Answer:
Step-by-step explanation:
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