Medium FPSC 5 Years Past Papers Subject Wise (Solved With Details) FPSC 5 YEARS PAST PAPERS SUBJECT WISE (SOLVED WITH DETAILS) FPSC Question if x=1, Y=3, Z=4 find the value of 3x^2-4y^2+2z^23x 2 −4y 2 +2z 2 . A 7 B 6 C 8 D 4 Submit Answer Try Again Explanation Explanation Solution : If x= 2, y = 3, z = 4 then 3x^2-4y^2+2z^2 3 x 2 − 4 y 2 + 2 z 2 = 3(2)^2-4(3)^2+2(4)^2 3 ( 2 ) 2 − 4 ( 3 ) 2 + 2 ( 4 ) 2 = left(3times4right)-left(4times9right)+left(2times16right) ( 3 × 4 ) − ( 4 × 9 ) + ( 2 × 1 6 ) = 12-36+32 1 2 − 3 6 + 3 2 = 44-36 4 4 − 3 6 = 8 8 ∴ 3x^2-4y^2+2z^2=8 3 x 2 − 4 y 2 + 2 z 2 = 8 Show Explanation Previous MCQ All MCQs Next MCQ More MCQs in FPSC 5 Years Past Papers Subject Wise (Solved With Details) Medium The longest river in Pakistan is ____? The longest river in Pakistan is ____? Medium When Mohammad Ali Bogra presented Bogra Formula in the assembly? When Mohammad Ali Bogra presented Bogra Formula in the assembly? Medium Who wrote “Glimpses of World History”? Who wrote "Glimpses of World History"? Medium Who gave the suggestion of digging the trench around the city of Madinah at the Who gave the suggestion of digging the trench around the city of Madinah at the…
