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Name: Need solution for RD Sharma maths class 12 chapter The Plane exercise 28.3 question 2 sub question (ii)
Uploaded: Thu, 2021-09-23 21:14
Description: Need solution for RD Sharma maths class 12 chapter The Plane exercise 28.3 question 2 sub question (ii)

#Maths
#School
#RD Sharma Vol. 2 Class 12
#CBSE 12 Class
#R.D. Sharma
#The Plane

#1.3
#10.1
#Fill in the blanks
#Very Short Answer type
#Multiple Choice Questions (MCQs)
#18.13
#28.1
#28.2
#28.3
#28.4
#28.5
#28.6
#28.7
#28.8
#28.9
#28.10
#28.11
#28.12
#28.13
#28.14
#28.15

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Need solution for RD Sharma maths class 12 chapter The Plane exercise 28.3 question 2 sub question (ii)

Answers (1)

Answer:

$-x+y+2z=9$

Hint:

$\vec{r}=x \hat{\imath}+y \hat{\jmath}+z \hat{k}$

Given:

$\vec{r} \cdot(-\hat{\imath}+\hat{\jmath}+2 \hat{k})=9$

Solution:

$\begin{aligned} &\vec{r} \cdot(-\hat{\imath}+\hat{\jmath}+2 \hat{k})=9 \\\\ &\Rightarrow(x \hat{\imath}+y \hat{\jmath}+z \hat{k}) \cdot(-\hat{\imath}+\hat{\jmath}+2 \hat{k})=9 \\\\ &-x+y+2 z=9 \end{aligned}$

Posted by

infoexpert26

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Need solution for RD Sharma maths class 12 chapter The Plane exercise 28.3 question 2 sub question (ii)

Answers (1)

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