SUBJECT- MATHS
Q. 1) Add 7xy +5yz - 3zx ,4yz +9zx -4y ,-3xz+5x-2xy
Q. 2) Subtract -; 5x2 - 4y +6y -3 from 7x²-4xy+8y?+5x-3y
Q. 3) It length of park is 5xy and breadth is 3xz than find the area of park.
Q. 4) It length, breadth and height of cuboid (box) is m’n, nụp, p’m than find its value.
Q. 5) Find the product of 2, 4y ,8y,16y
Answers
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Answer:
Q1-7xy+5yz-3zx+4yz+9zx-4y-3xz+5x-2xy
=7xy-2xy-5yz+4yz-3zx+9zx-3xz-4y+5x
=5xy-yz+3zx-4y+5x
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