16x^2+24√2x = -18
michall: 16x2+24{2}x = −18
22 mar 21:08
michall: 16x2+24√2x = −18
22 mar 21:08
Mila:
16x
2+24√2x = −18
16x
2+24
√2 x+18=0 /:2
8x
2+12
√2 x+9=0
Δ=144*2−4*9*8=288−288=0
22 mar 23:00
Eta:
| | 3 | | 3 | |
16x2+24√2x+18 = 2(2√2x+3)2=0 ⇒ 2√2x+3=0 ⇒ x= − |
| = − |
| √2 |
| | 2√2 | | 4 | |
22 mar 23:06