T-ट+बटा-दिएटी0-0ट-2+८ (0): [2० |: [0५०1] 1

1.	T-ट+बटा-दिएटी0-0ट-2+८ (0): [2० \|: [0५०1] 1212 ज1छ५# 227,
Answer» 1. x² +X -20=0=> x² +5x -4x -20=0=> x(X+5)-4(X+5)=0=> (x-4)(X+5)=0=> X = 4, -5. 4. 9y² -12y +2 = 0=> y ={ +12±[(-12)² -4(9)(2)]½ }/2(9)=> y = [ 12± 6√2 ] / 18=> y = (2/3) ± (√2/3) Please hit the like button if this helped you out

T-ट+बटा-दिएटी0-0ट-2+८ (0): [2० |: [0५०1] 1212 ज1छ५# 227,

Answer»

1. x² +X -20=0=> x² +5x -4x -20=0=> x(X+5)-4(X+5)=0=> (x-4)(X+5)=0=> X = 4, -5.

4. 9y² -12y +2 = 0=> y ={ +12±[(-12)² -4(9)(2)]½ }/2(9)=> y = [ 12± 6√2 ] / 18=> y = (2/3) ± (√2/3)

Please hit the like button if this helped you out