1.
Line joining i^+j^\hat{i}+\hat{j} and 3i^+j^k^3\hat{i}+\hat{j}-\hat{k} meets the plane through 2i^+4j^2\hat{i}+4\hat{j} parallel to 3j^+5k^3\hat{j}+5\hat{k} and 3i^k^3\hat{i}-\hat{k} at PP. Position vector of PP is