Samacheer Kalvi 10th Maths Guide Chapter 3 Algebra Ex 3.7

Students can download Maths Chapter 3 Algebra Ex 3.7 Questions and Answers, Notes, Samacheer Kalvi 10th Maths Guide Pdf helps you to revise the complete Tamilnadu State Board New Syllabus, helps students complete homework assignments and to score high marks in board exams.

Tamilnadu Samacheer Kalvi 10th Maths Solutions Chapter 3 Algebra Ex 3.7

Question 1.
Find the square root of the following.
(i) \(\frac{400 x^{4} y^{12} z^{16}}{100 x^{8} y^{4} z^{4}}\)
Answer:
Samacheer Kalvi 10th Maths Guide Chapter 3 Algebra Ex 3.7 1

Samacheer Kalvi 10th Maths Guide Chapter 3 Algebra Ex 3.7

(ii) \(\frac{7 x^{2}+2 \sqrt{14} x+2}{x^{2}-\frac{1}{2} x+\frac{1}{16}}\)
Answer:
Samacheer Kalvi 10th Maths Guide Chapter 3 Algebra Ex 3.7 2

(iii) \(\frac{121(a+b)^{8}(x+y)^{8}(b-c)^{8}}{81(b-c)^{4}(a-b)^{12}(b-c)^{4}}\)
Answer:
Samacheer Kalvi 10th Maths Guide Chapter 3 Algebra Ex 3.7 3

Samacheer Kalvi 10th Maths Guide Chapter 3 Algebra Ex 3.7

Question 2.
Find the square root of the following
(i) 4x2 + 20x + 25
Answer:
Samacheer Kalvi 10th Maths Guide Chapter 3 Algebra Ex 3.7 4

(ii) 9x2 – 24xy + 30xz – 40yz + 25z2 + 16y2
Answer:
Samacheer Kalvi 10th Maths Guide Chapter 3 Algebra Ex 3.7 5

(iii) \(1+\frac{1}{x^{6}}+\frac{2}{x^{3}}\)
Answer:
Samacheer Kalvi 10th Maths Guide Chapter 3 Algebra Ex 3.7 6

(iv) (4x2 – 9x + 2)(7x2 – 13x – 2)(28x2 – 3x – 1)
Answer:
4x2 – 9x +2 = 4x2 – 8x – x + 2
= 4x(x – 2)-1 (x – 2)
= (x – 2)(4x – 1)
Samacheer Kalvi 10th Maths Guide Chapter 3 Algebra Ex 3.7 7
7x2 – 13x – 2 = 7x2 – 14x + x – 2
= 7x (x – 2) + 1 (x – 2)
= (x – 2) (7x + 1)
Samacheer Kalvi 10th Maths Guide Chapter 3 Algebra Ex 3.7 8
28x2 – 3x – 1 = 28x2 – 7x + 4x – 1
= 7x (4x – 1) + 1 (4x – 1)
= (4x – 1) (7x + 1)
Samacheer Kalvi 10th Maths Guide Chapter 3 Algebra Ex 3.7 9

Samacheer Kalvi 10th Maths Guide Chapter 3 Algebra Ex 3.7

(v) (2x2 + \(\frac { 17 }{ 6 } \)x + 1) (\(\frac { 3 }{ 2 } \) x2 + 4x + 2) (\(\frac { 4 }{ 3 } \) x2 + \(\frac { 11 }{ 3 } \) x + 2)
Answer:
Samacheer Kalvi 10th Maths Guide Chapter 3 Algebra Ex 3.7 10
Samacheer Kalvi 10th Maths Guide Chapter 3 Algebra Ex 3.7 12
Samacheer Kalvi 10th Maths Guide Chapter 3 Algebra Ex 3.7 13

Samacheer Kalvi 10th Maths Guide Chapter 3 Algebra Ex 3.7
Samacheer Kalvi 10th Maths Guide Chapter 3 Algebra Ex 3.7 134
Samacheer Kalvi 10th Maths Guide Chapter 3 Algebra Ex 3.7 14

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