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Ex 10.1, 1 Get the algebraic expressions in the following cases using variables, constants and arithmetic operations. (i) Subtraction of z from y. y – z (ii) One-half of the sum of numbers x and y. 1/2 × (x + y) = (𝒙 + 𝒚 )/𝟐 (iii) The number z multiplied by itself. z × z = z2 (iv) One-fourth of the product of numbers p and q. 1/4 × (p × q) = 𝒑𝒒/𝟒 (v) Numbers x and y both squared and added. (x)2 + (y)2 = x2 + y2 (vi) Number 5 added to three times the product of numbers m and n. 5 + 3 (m × n) = 5 + 3mn (vii) Product of numbers y and z subtracted from 10. 10 − (y × z) = 10 − yz (viii) Sum of numbers a and b subtracted from their product (a × b) − (a + b) = ab − (a + b)

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Davneet Singh

Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 13 years. He provides courses for Maths, Science, Social Science, Physics, Chemistry, Computer Science at Teachoo.