If P−2,−4,−9and direction cosines of OP→are α,β,γ, then α+β+γ×101 is

The direction cosines of the line OP→ are −24+16+81,−44+16+81,−94+16+81 Consider Therefore, the required value is α+β+γ×101=−2−4−9101×101=−15Therefore, the required value is −15