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RBSE Solutions for Class 10 Maths Chapter 3 बहुपद Ex 3.1

February 21, 2019 by Veer 1 Comment

RBSE Solutions for Class 10 Maths Chapter 3 बहुपद Ex 3.1 is part of RBSE Solutions for Class 10 Maths. Here we have given Rajasthan Board RBSE Class 10 Maths Chapter 3 बहुपद Exercise 3.1.

Board RBSE
Textbook SIERT, Rajasthan
Class Class 10
Subject Maths
Chapter Chapter 3
Chapter Name बहुपद
Exercise Exercise 3.1
Number of Questions Solved 3
Category RBSE Solutions

Rajasthan Board RBSE Class 10 Maths Chapter 3 बहुपद Ex 3.1

प्रश्न 1.
निम्न द्विघात बहुपदों के शून्यक ज्ञात कीजिए और शून्यकों तथा (RBSESolutions.com) गुणांकों के बीच सम्बन्ध की सत्यता की जाँच कीजिए-
(i) 4x2 + 8x
(ii) 42 – 4x +1
(iii) 6x2 – x -2
(iv) x2 – 15
(v) x2 – (\(\sqrt { 3 } \)+1)x+\(\sqrt { 3 } \)
(vi) 3x2 – x – 4
हल:
(i) प्रश्नानुसार।
4x2 + 8x = 4x(x + 2)
अतः 4x2 + 8x का मान शून्य होगा यदि 4(x + 2) का मान शून्य है।
यानि x = 0 या x + 2 = 0, यानि x = 0 या x = – 2
अतः 4x2 + 8x के शून्य 0 और (- 2) हैं।
अब शून्यकों का योग = 0 + (-2) = – 2

RBSE Solutions
RBSE Solutions for Class 10 Maths Chapter 3 बहुपद Ex 3.1 1
RBSE Solutions for Class 10 Maths Chapter 3 बहुपद Ex 3.1 2
RBSE Solutions for Class 10 Maths Chapter 3 बहुपद Ex 3.1 3
RBSE Solutions for Class 10 Maths Chapter 3 बहुपद Ex 3.1 4

RBSE Solutions
RBSE Solutions for Class 10 Maths Chapter 3 बहुपद Ex 3.1 5
RBSE Solutions for Class 10 Maths Chapter 3 बहुपद Ex 3.1 6

RBSE Solutions

प्रश्न 2.
एक द्विधात बहुपद ज्ञात कीजिए, जिसके शून्यकों के (RBSESolutions.com) योग तथा गुणनफल क्रमशः दी गई संख्याएँ हैं
RBSE Solutions for Class 10 Maths Chapter 3 बहुपद Ex 3.1 7
हल:
(i) माना कि बहुपद ax2 + bx + c है तथा (RBSESolutions.com) इसके शून्यक α और β हैं।
RBSE Solutions for Class 10 Maths Chapter 3 बहुपद Ex 3.1 8
RBSE Solutions for Class 10 Maths Chapter 3 बहुपद Ex 3.1 9

प्रश्न 3.
यदि द्विघात बहुपद f(x) = x2 – 8x + k के शून्यकों के वर्गों (RBSESolutions.com) का योग 40 हो तो k का मान ज्ञात कीजिए।
हल:
RBSE Solutions for Class 10 Maths Chapter 3 बहुपद Ex 3.1 10
RBSE Solutions

We hope the RBSE Solutions for Class 10 Maths Chapter 3 बहुपद Ex 3.1 help you. If you have any query regarding Rajasthan Board RBSE Class 10 Maths Chapter 3 बहुपद Exercise 3.1, drop a comment below and we will get back to you at the earliest.

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