Question

b) The value of ✓-25+3✓-4+2-✓9
a) 13i
b) -I3i
c) 17i
d) -17i​

Answer 1

answer:option B.

option B.Step-by-step explanation:

option B.Step-by-step explanation:\begin{gathered} \sqrt{ - 25} + 3 \sqrt{ - 4} + 2 \sqrt{ - 9} \\ = 5i + 3 \times 2i + 2 \times 3i \\ = 5i + 6i + 6i \\ = 17i\end{gathered}

option B.Step-by-step explanation:\begin{gathered} \sqrt{ - 25} + 3 \sqrt{ - 4} + 2 \sqrt{ - 9} \\ = 5i + 3 \times 2i + 2 \times 3i \\ = 5i + 6i + 6i \\ = 17i\end{gathered} −25

option B.Step-by-step explanation:\begin{gathered} \sqrt{ - 25} + 3 \sqrt{ - 4} + 2 \sqrt{ - 9} \\ = 5i + 3 \times 2i + 2 \times 3i \\ = 5i + 6i + 6i \\ = 17i\end{gathered} −25

option B.Step-by-step explanation:\begin{gathered} \sqrt{ - 25} + 3 \sqrt{ - 4} + 2 \sqrt{ - 9} \\ = 5i + 3 \times 2i + 2 \times 3i \\ = 5i + 6i + 6i \\ = 17i\end{gathered} −25 +3

option B.Step-by-step explanation:\begin{gathered} \sqrt{ - 25} + 3 \sqrt{ - 4} + 2 \sqrt{ - 9} \\ = 5i + 3 \times 2i + 2 \times 3i \\ = 5i + 6i + 6i \\ = 17i\end{gathered} −25 +3 −4

option B.Step-by-step explanation:\begin{gathered} \sqrt{ - 25} + 3 \sqrt{ - 4} + 2 \sqrt{ - 9} \\ = 5i + 3 \times 2i + 2 \times 3i \\ = 5i + 6i + 6i \\ = 17i\end{gathered} −25 +3 −4

option B.Step-by-step explanation:\begin{gathered} \sqrt{ - 25} + 3 \sqrt{ - 4} + 2 \sqrt{ - 9} \\ = 5i + 3 \times 2i + 2 \times 3i \\ = 5i + 6i + 6i \\ = 17i\end{gathered} −25 +3 −4 +2

option B.Step-by-step explanation:\begin{gathered} \sqrt{ - 25} + 3 \sqrt{ - 4} + 2 \sqrt{ - 9} \\ = 5i + 3 \times 2i + 2 \times 3i \\ = 5i + 6i + 6i \\ = 17i\end{gathered} −25 +3 −4 +2 −9

option B.Step-by-step explanation:\begin{gathered} \sqrt{ - 25} + 3 \sqrt{ - 4} + 2 \sqrt{ - 9} \\ = 5i + 3 \times 2i + 2 \times 3i \\ = 5i + 6i + 6i \\ = 17i\end{gathered} −25 +3 −4 +2 −9

option B.Step-by-step explanation:\begin{gathered} \sqrt{ - 25} + 3 \sqrt{ - 4} + 2 \sqrt{ - 9} \\ = 5i + 3 \times 2i + 2 \times 3i \\ = 5i + 6i + 6i \\ = 17i\end{gathered} −25 +3 −4 +2 −9

option B.Step-by-step explanation:\begin{gathered} \sqrt{ - 25} + 3 \sqrt{ - 4} + 2 \sqrt{ - 9} \\ = 5i + 3 \times 2i + 2 \times 3i \\ = 5i + 6i + 6i \\ = 17i\end{gathered} −25 +3 −4 +2 −9 =5i+3×2i+2×3i

option B.Step-by-step explanation:\begin{gathered} \sqrt{ - 25} + 3 \sqrt{ - 4} + 2 \sqrt{ - 9} \\ = 5i + 3 \times 2i + 2 \times 3i \\ = 5i + 6i + 6i \\ = 17i\end{gathered} −25 +3 −4 +2 −9 =5i+3×2i+2×3i=5i+6i+6i

option B.Step-by-step explanation:\begin{gathered} \sqrt{ - 25} + 3 \sqrt{ - 4} + 2 \sqrt{ - 9} \\ = 5i + 3 \times 2i + 2 \times 3i \\ = 5i + 6i + 6i \\ = 17i\end{gathered} −25 +3 −4 +2 −9 =5i+3×2i+2×3i=5i+6i+6i=17i

option B.Step-by-step explanation:\begin{gathered} \sqrt{ - 25} + 3 \sqrt{ - 4} + 2 \sqrt{ - 9} \\ = 5i + 3 \times 2i + 2 \times 3i \\ = 5i + 6i + 6i \\ = 17i\end{gathered} −25 +3 −4 +2 −9 =5i+3×2i+2×3i=5i+6i+6i=17i