Answer:
Heya!!Here is your answer friend ⤵⤵
\begin{gathered}an \: equation \: has \: no \: real \: roots \: when \\ \sqrt{b {}^{2} - 4c } < 0 \\ here \\ \sqrt{b {}^{2} - 4ac } = \sqrt{12 {}^{2} - 4 \times 4 \times 15 } \\ = \sqrt{144 - 4 \times 60} \\ \sqrt{144 - 240} = \sqrt{ - 96} \end{gathered}
anequationhasnorealrootswhen
b
2
−4c
<0
here
−4ac
=
12
−4×4×15
144−4×60
144−240
−96
This value is less than zero. Hence it has no real roots
Copyright © 2024 EHUB.TIPS team's - All rights reserved.
Answers & Comments
This value is less than zero. Hence it has no real roots
Hope it helps you ✌✌
Answer:
Heya!!Here is your answer friend ⤵⤵
\begin{gathered}an \: equation \: has \: no \: real \: roots \: when \\ \sqrt{b {}^{2} - 4c } < 0 \\ here \\ \sqrt{b {}^{2} - 4ac } = \sqrt{12 {}^{2} - 4 \times 4 \times 15 } \\ = \sqrt{144 - 4 \times 60} \\ \sqrt{144 - 240} = \sqrt{ - 96} \end{gathered}
anequationhasnorealrootswhen
b
2
−4c
<0
here
b
2
−4ac
=
12
2
−4×4×15
=
144−4×60
144−240
=
−96
This value is less than zero. Hence it has no real roots