फीवर एक्सेस पायलट बाय एंड सैड इस परपेंडिकुलर टू बाय फाइंड द वैल्यू ऑफ पी
Attachments:
Answers
Answered by
1
Answer:
ANSWER
Given equation is 12x2+7xy−py2−18x+9q+6=0
We know that for it to represent a pair of ⊥ lines, coeff. of x2 + coeff. of y2=0
⇒12−p=0⇒p=12
And also, a=12,h=27,b=−p=−12,g=−9,f=2q, abc+2fgh−bg2−af2−ch2=0⇒q=1 or q=−223
Similar questions