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In A ABC, Z A is obtuse, PB LAC and QC LAB.Prove that covey Q 1) AB x AQ = ACX AP- (ii) BC = (AC x CP + AB x BQ) . : CD is the mid-noint of BC prov

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Q1

In a ∆ABC, angle A is obtuse, PB is perpendicular to AC and QC is perpendicular to AB and AB x AQ= AC x AP. Prove that BC x BC= (AC x CP + AB x BQ)

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Q2

In ∆ABC, ∠A is obtuse, PB ⊥ AC and QC ⊥ AB. Prove that:

(i) AB ✕ AQ = AC ✕ AP
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Q3

In ∆ABC, ∠A is obtuse, PB ⊥ AC and QC ⊥ AB. Prove that:

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Q4

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Q5

In△ ABC,\angle A is obtuse,PB\perp AC and QC\perp AB.Prove that BC^2=( AC× CP+AB× BQ)

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