Solution
Expression : $$4^x= \sqrt[7]{1024}$$
=> $$4^x=\sqrt[7]{2^{10}}$$
=> $$4^x=\sqrt[7]{4^5}$$
=> $$4^x=4^{\frac{5}{7}}$$
=> $$x=\frac{5}{7}$$
=> Ans - (A)
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