JEE Math Practice Question
Let $$z_1$$ and $$z_2$$ be two complex numbers such that $$z_1+z_2=5$$ and $$z_1^3+z_2^3=20+15 i$$ Then, $$\left|z_1^4+z_2^4\right|$$ equals -
- A.$$15 \sqrt{15}$$
- B.$$30 \sqrt{3}$$
- C.$$25 \sqrt{3}$$
- D.75
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