Question

which of the following elements can't be used to make a solar cell?
(a). silicon
(b). platinum
(c). gallium
(d). germanium
${a^{2} + b}^{2} = 234 \: and \: ab = 108 \: find \: \frac{a + b \:}{a - b?}$

Answer 1

the answer is silicon

Answer 2

Hey Mate!❤️
Your Answer:

B) Platinum can't be used to make a solar cell.

Hope this helps uh..
Mark Brainliest ❤️