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Ex 1.5, 5 (iv) - Chapter 1 Class 9 Number Systems (Term 1)
Last updated at March 22, 2023 by Teachoo
Ex 1.5
Ex 1.5, 1 (i)
Deleted for CBSE Board 2023 Exams
Ex 1.5, 1 (ii) Important
Ex 1.5, 1 (iii)
Ex 1.5, 1 (iv) Important
Ex 1.5, 1 (v)
Ex 1.5, 2 (i) Important Deleted for CBSE Board 2023 Exams
Ex 1.5, 2 (ii)
Ex 1.5, 2 (iii) Important
Ex 1.5, 2 (iv)
Ex 1.5,3
Ex 1.5, 4 Deleted for CBSE Board 2023 Exams
Ex 1.5, 5 (i) Deleted for CBSE Board 2023 Exams
Ex 1.5, 5 (ii) Important
Ex 1.5, 5 (iii)
Ex 1.5, 5 (iv) Important You are here
Represent root 3.5 on Number Line Important
Transcript
Ex 1.5, 5 Rationalize the denominators of the following: (iv) 1/(√7 −2) 1/(√7 − 2) = 1/(√7 −2) × (√7 + 2)/(√7 + 2) = (√7 + 2)/((√7)2 − (2)2) ( As (a + b)(a – b) = a2 – b2 ) = (√7 + √2)/(7 −4) = (√7 + √2)/3
