Algebraic Expressions and Identities Class 8 Extra Questions
Question 8. Multiply the following expressions: (a) 3xy 2 × (-5x 2 y) (b) 1 2 x 2 yz × 2 3 xy 2 z × 1 5 x 2 yz. Solution: Question 9. Find the area of the rectangle whose length and breadths are 3x 2 y m and 5xy 2 m respectively. Solution: Length = 3x 2 y m, breadth = 5xy 2 m.
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Question 8. Multiply the following expressions: (a) 3xy 2 × (-5x 2 y) (b) 1 2 x 2 yz × 2 3 xy 2 z × 1 5 x 2 yz. Solution: Question 9. Find the area of the rectangle whose length and breadths are 3x 2 y m and 5xy 2 m respectively. Solution: Length = 3x 2 y m, breadth = 5xy 2 m.