GITA BAL NIKETAN SR. SEC. SCHOOLTEST SERIES - ICLASS -XSUBJECT- MATHST

1.	GITA BAL NIKETAN SR. SEC. SCHOOLTEST SERIES - ICLASS -XSUBJECT- MATHSTime Allowed: 1 Â˝hrs.M.M.: 50Ihe points A (3,6) and B (-3,4) are equal, prove that 3xty-5.3.6) anthe distances of P (x,y) from t3,4) are equal , prove that 3xty-5
Answer» PA = PB;=>PA^2 = PB^2;=>(x-3)^2+(y-6)^2 = (x+3)^2+(y-4)^2;=>x^2+9-6x +y^2+36-12y= x^2+9+6x+y^2+16-8y;=>45-6x-12y=25+6x-8y=>12x+4y=20=>3x+y=5 hit like if you find it useful

GITA BAL NIKETAN SR. SEC. SCHOOLTEST SERIES - ICLASS -XSUBJECT- MATHSTime Allowed: 1 Â˝hrs.M.M.: 50Ihe points A (3,6) and B (-3,4) are equal, prove that 3xty-5.3.6) anthe distances of P (x,y) from t3,4) are equal , prove that 3xty-5

Answer»

PA = PB;=>PA^2 = PB^2;=>(x-3)^2+(y-6)^2 = (x+3)^2+(y-4)^2;=>x^2+9-6x +y^2+36-12y= x^2+9+6x+y^2+16-8y;=>45-6x-12y=25+6x-8y=>12x+4y=20=>3x+y=5

hit like if you find it useful